Merge pull request #306 from conneqtech/template-predefined-sender

We can set default From in templates, so this should be no longer required when sending templated mails

messages.go

@@ -795,10 +795,6 @@ func isValid(m *Message) bool {
 }
 
 func (pm *plainMessage) isValid() bool {
- if pm.from == "" {
- return false
- }
-
  if !validateStringList(pm.cc, false) {
  return false
  }
@@ -812,6 +808,10 @@ func (pm *plainMessage) isValid() bool {
  return true
  }
 
+ if pm.from == "" {
+ return false
+ }
+
  if pm.text == "" && pm.html == "" {
  return false
  }